How to disable broadcast checksum

Question

I have set up a secure network and I have checked that there is no loss of packets or corruption. To reduce the data being sent, I want to disable the checksum. How can I do it?

Answer 1

Run the following in the Spark shell:

val sc = new SparkContext(new SparkConf())

./bin/spark-submit <all your existing options> --spark.broadcast.checksum=false